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Hatsukawa, Yuichi; Miyamoto, Yutaka; Toh, Yosuke; Oshima, Masumi; Gharaie, M. H. M.; Goto, K.*; Toyoda, K.*
Journal of Radioanalytical and Nuclear Chemistry, 272(2), p.273 - 276, 2007/05
Times Cited Count：11 Percentile：61(Chemistry, Analytical)In this study, using neutron activation analysis with multi-parameter coincidence method which was developed at Japan Atomic Energy Agency (JAEA), a non-destructive, ultra-high sensitive multi-elemental determination has been realized. The multi-parameter coincidence method is carried out with an array of 19 germanium detectors, GEMINI-II. Using this system, very weak 
-rays emitted from trace amounts of elements can be detected. The iridium concentration has been determined by means of the neutron activation analysis with multi-parameter coincidence method for Cuban sediment samples across the K/T boundary strata.
Hatsukawa, Yuichi; Toh, Yosuke; Oshima, Masumi; Kimura, Atsushi; Gharaie, M. H. M.
Journal of Radioanalytical and Nuclear Chemistry, 271(1), p.43 - 45, 2007/01
Times Cited Count：3 Percentile：25.42(Chemistry, Analytical)- coincidence of multiple -rays from the radioisotopes produced by neutron capture reactions was measured with a array of 19-Ge detectors with BGO Compton suppressors, GEMINI-II. Using multiparameter spectrometry, high sensitive determination of iridium in geological samples and I-129 in environmental samples were carried out at GEMINI.
